Home / 6,815.60-10,223.62-1,817.92

Finding the Fourth Proportional to 6,815.60, 10,223.62 and 1,817.92

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Solution

The fourth proportional to 6,815.60, 10,223.62 and 1,817.92 is: 2,726.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.60 : 10,223.62 = 1,817.92 : x
  2. Step 2: Convert to fraction form
    6,815.60/10,223.62 = 1,817.92/x
  3. Step 3: Cross multiply
    6,815.60x = 10,223.62 × 1,817.92
  4. Step 4: Simplify right side
    6,815.60x = 18,585,693.17
  5. Step 5: Solve for x
    x = 18,585,693.17/6,815.60
  6. Step 6: Final answer
    x = 2,726.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.